. -- professor robert kopp, talk about the major findings of the report. rex it is in some cases an exclamation mark on what previous reports have said, we have known that the world is warming, and we know the changes now are widespread and rapid, intensifying, unprecedented in thousands of years. carbon dioxide levels are higher than they have been in at least 2 million years, temperatures higher than 100,000 euros, and sea levels rising faster than at least 3000 years. it is indisputable that these changes are linked to human activity. and these changes are affecting every iabited region of the earth. some are already locked in. but even for the ones that are going to respond most slowly through reductions in the greenhouse gases, like changes in the sea levels, we still have the opportunity to slow the rate and ultimate extent of warming. and other changes, like the rise in temperature, can be stopped pretty quickly if we bring the greenhouse gas emissions to net zero. in order to hit the impish's target laid out in the paris agreement, we're going to n